Clamp



FIG. 1 is a perspective view of the clamp of our new design.

FIG. 2 is a side view of the clamp of our new design; and,

FIG. 3 is an end view of the clamp of our new design.

The color black is claimed as a feature of the mark. The entire clamp is black.

The unshaded areas within the two smallest ovals in FIG. 1 form no part of the claimed design. 

The ornamental design for the clamp, as shown and described. 